It can be useful, however, to have a blank heading for columns which may be
icons such as edit/delete. It doesn't hurt to have a heading for such
columns, but sometimes it is nice to be able to save some horizontal
real-estate by utilizing an icon to replace the text.
Howard Lewis Ship wrote:
>
> The label is also used by BeanEditor and individual fields when
> composing error messages.
>
> On Feb 2, 2008 12:16 PM, Shing Hing Man <[EMAIL PROTECTED]> wrote:
>> Hi,
>>
>> In the Grid component, I added a custom column with
>> a
>> blank label.
>>
>> beanModel.add("rowNo", null).label(" ");
>>
>> This resulted in the following exception.
>> I could use css to make the label non-visible.
>> Is there a more elegant way of having a blank column
>> header.
>>
>> Thanks in advance for any assistance !
>>
>> Shing
>>
>> java.lang.IllegalArgumentException
>> Parameter label was null or contained only whitespace.
>>
>> Stack trace
>>
>> *
>> org.apache.tapestry.ioc.internal.util.Defense.notBlank(Defense.java:59)
>> *
>> org.apache.tapestry.internal.beaneditor.PropertyModelImpl.label(PropertyModelImpl.java:87)
>> *
>> net.sf.gridDemo.pages.AccessGrid.getBeanModel(AccessGrid.java:110)
>> *
>> org.apache.tapestry.internal.bindings.PropBinding.get(PropBinding.java:54)
>> *
>> org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.readParameter(InternalComponentResourcesImpl.java:209)
>>
>> Home page : http://www.lombok.demon.co.uk/
>>
>>
>>
>> __________________________________________________________
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>>
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>
>
>
> --
> Howard M. Lewis Ship
>
> Creator Apache Tapestry and Apache HiveMind
>
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